Earlier today superstar Ariana Grande made her return to Manchester, England after the horrible acts of terrorism which took place at her concert last week. Watch as she gives back to her fans with a special ‘One Love Manchester’ benefit concert with special guest including Pharrell , Justin Bieber , Black Eyed Peas , Katy Perry , Miley Cyrus , Little Mix , Victoria Monet , Mac Miller , Chris Martin & more below.